Christian M Julien is a Professor at the Institut de Minéralogie, de Physique des Matériaux et Cosmologie (IMPMC), Sorbonne Université, Paris, France. He completed his Ph.D. studies in Major at the Université Pierre et Marie Curie, Paris. His interests include organic cathodes; organic anodes; Lithium batteries; naphtoquinones derivatives; and supercapacitors.